Summary of the content on the page No. 1
ti
TI TI- -7 73 3 Ex Exp pl lo or re er r™ ™
TTII--7733 EExxpplloorreerr™™
Gr Gra ap ph hi in ng g Ca Cal lc cu ul la at to or r Gu Gui id de eb bo oo ok k
GGrraapphhiinngg CCaallccuullaattoorrGGuuiiddeebbooookk
In this guidebook, TI-73 refers to both the TI-73 and
TI-73 Explorer. All functions, instructions, and examples in
this guidebook work identically for both the TI-73 and the
TI-73 Explorer.
Macintosh is a registered trademark of Apple Computer, Inc.
© 1998, 2001–2003 Texas Instruments In
Summary of the content on the page No. 2
Important Information Texas Instruments makes no warranty, either express or implied, including but not limited to any implied warranties of merchantability and fitness for a particular purpose, regarding any programs or book materials and makes such materials available solely on an “as-is” basis. In no event shall Texas Instruments be liable to anyone for special, collateral, incidental, or consequential damages in connection with or arising out of the purchase or use of these materials, an
Summary of the content on the page No. 3
Table of Contents Table of Contents Chapter 1: Operating the TIN73 1 Preparing to Use Your TIN73.........................................3 The Home Screen...........................................................5 Entering Numbers and Other Characters.....................6 Functions and Instructions ..........................................12 Entering Expressions....................................................15 Retrieving Previous Entries - £......................17 Recalling and Stor
Summary of the content on the page No. 4
iv TIN73 Table of Contents Chapter 6: Statistical Plots 107 Steps for Defining a Stat Plot ................................... 108 Defining Statistical Data in Lists ............................... 109 Deselecting Y Functions .......................................... 109 n Defining a Stat Plot ................................................... 109 Selecting Stat Plot Types ........................................... 111 Defining Stat Plot Options........................................ 112
Summary of the content on the page No. 5
TIN73 Table of Contents v Chapter 11: Trigonometry 209 The - u TRIG Menu...........................................210 Graphing Trig Functions............................................214 The - u ANGLE Menu .......................................215 Chapter 12: Programming 221 What Is a Program? ...................................................223 Steps for Creating a Program....................................223 Creating and Naming a New Program .....................224 Entering Progr
Summary of the content on the page No. 6
vi TI-73 Table of Contents Appendix B: Reference Information 319 The TIN73 Menu Map ................................................ 320 The VARS Menu - }....................................... 329 Equation Operating System (EOS é)........................ 330 In Case of Difficulty ................................................... 330 Correcting an Error.................................................... 331 Error Messages........................................................... 332 Ap
Summary of the content on the page No. 7
Operating the Operating the TI TIN73 73 1 Preparing to Use Your TIN73.................................................3 Installing the AAA Batteries...........................................3 Turning the TIN73 On and Off .......................................3 Adjusting the Display Contrast ......................................4 Resetting Memory and All Defaults...............................4 The Home Screen...................................................................5 Entering
Summary of the content on the page No. 8
2 Chapter 1: Operating the TIN73 Mode Settings ..................................................................... 22 Numeric Notation Mode .............................................. 23 Decimal Notation Mode............................................... 24 Angle Mode .................................................................. 24 Display Format Mode ................................................... 24 Simplification Mode ..................................................... 24
Summary of the content on the page No. 9
Chapter 1: Operating the TIN73 3 Preparing to Use Your TIN73 Before using your TIN73, you must install the batteries, turn on the calculator, and adjust the contrast. You may reset (clear) the calculator memory and defaults, if desired. Installing the AAA Batteries Installing the AAA Batteries Install four AAA batteries in the battery compartment on the back of the calculator. Arrange the batteries according to the polarity (+ and -) diagram in the battery compartment. For more inf
Summary of the content on the page No. 10
4 Chapter 1: Operating the TIN73 Adjusting the Display Contrast Adjusting the Display Contrast The brightness and contrast of the display can depend on room lighting, battery freshness, and viewing angle. To adjust the contrast: 1. Press and release the yellow - key. 2. Press and hold $ (to darken the screen) or # (to lighten the screen). As you change the contrast setting, a number from 0 (lightest) to 9 (darkest) in the top-right corner indicates the current setting. You may not be able
Summary of the content on the page No. 11
Chapter 1: Operating the TIN73 5 5. Select 2:Reset. 2 All memory is cleared, and the calculator is reset to the factory settings. When you reset the TIN73, the display contrast is reset. To adjust the contrast, follow the directions in the previous section. The Home Screen The Home screen is the primary screen of the TIN73. To go to the Home screen from any other screen or menu, press - l. On the Home screen, you can enter instructions, functions, and expressions. The answers are displaye
Summary of the content on the page No. 12
6 Chapter 1: Operating the TIN73 If all lines of the display are full, text scrolls off the top of the display. The TIN73 stores the previous entries as memory permits. See the section entitled, Retrieving Previous Entries on page 17. Scroll up You can scroll up with $ to see with $. previously entered entries. If you press b while a previous entry is highlighted (for example, 2+2+2+2+2+2+2+2), the calculator copies it to a new line below all entries (after 4+4+4
and its result, 52).
Summary of the content on the page No. 13
Chapter 1: Operating the TIN73 7 Entering a Number in Scientific Notation Entering a Number in Scientific Notation - { Using - {, you can enter a number in scientific notation. The notation used to display the result of a calculation depends upon the . setting (Normal or Sci). For more information on selecting modes, see the section in this chapter entitled Mode Settings. Add 30 © 4 + 8600. ³ -l:30 If in Normal -{\8600 mode b If in Sci mode Entering Secondary Functions Enteri
Summary of the content on the page No. 14
8 Chapter 1: Operating the TIN73 In all guidebook examples, when a character in the Text editor needs to be selected, the keystroke sequence shows the character followed by b. Moving the Selection Cursor as necessary to highlight the character is implied. To exit the Text editor and display the contents on the entry line on the previous screen, select Done. -t The entry line Selection Cursor Highlights the character you want to select. Use the cursor keys (", !, $, and #) to move the curso
Summary of the content on the page No. 15
Chapter 1: Operating the TIN73 9 Done Exits the Text editor when selected and pastes all contents on the entry line to the cursor location on the previous screen. Entry Line Displays all currently selected characters. All edit keys, except the cursor keys, edit characters on the entry line. Insert R on the Home screen. ³ 1. Go to the Home screen and clear it, if desired. -l: Use $, #, ", and 2. Use the Text editor to ! to highlight R. select R. -tRb R is pasted to the entry line. 3. Exit
Summary of the content on the page No. 16
10 Chapter 1: Operating the TIN73 Entry Line The entry line displays all characters selected in the Text editor. The entry line also accepts all number keys (Y, Z, [,
) and many keyboard operations (6, I, \, C, etc.). Enter these between Text editor characters, as necessary, without leaving the Text editor. If you press a key that isnt accepted in the Text editor, the calculator does not return an error. You must select Done to exit and then continue your entry on the previous screen. Y
Summary of the content on the page No. 17
Chapter 1: Operating the TIN73 11 Editing Numbers and Characters Editing Numbers and Characters Using the edit keys, you can edit an entry on the Home screen or Y= editor, programming commands in the Program editor, the entry lines of the Text editor and List editor, and constants in the Set Constant editor. Keystrokes Result ! or " Moves the cursor to the left or right. Moves the Selection cursor in the Text editor. $ or # Moves/scrolls the cursor up or down. - ! Moves the cursor to the
Summary of the content on the page No. 18
12 Chapter 1: Operating the TIN73 Functions and Instructions A function returns a value. Generally, the first letter of each function is lowercase on the TIN73. For example, pxl-Test( is a function because it returns a value, 0 or 1. An instruction initiates an action. Generally, the first letter of each instruction name is uppercase. For example, Pxl-On( is an instruction that draws a pixel on the graph screen. Most functions and some instructions take at least one argument. An open par
Summary of the content on the page No. 19
Chapter 1: Operating the TIN73 13 To move from menu to menu on a menu screen, press " or ! until the menu name is highlighted. When a menu item ends in an ellipsis (
), the item displays a secondary menu or editor when you select it. - Accessing and Selecting Menu Items To scroll up or down the menu items, press $ or #. To wrap to the last menu item directly from the first menu item, press $. To wrap to the first menu item directly from the last menu item, press #. When the menu continu
Summary of the content on the page No. 20
14 Chapter 1: Operating the TIN73 Accessing Functions Accessing FunctionsàInstructions from the Instructions from the CATALOG CATALOG - | displays the CATALOG, which is an alphabetical list of all functions, instructions, programming commands, variables, and symbols on the TIN73. If, for example, you cannot remember where a particular menu item is located, you can find it in the CATALOG. Items that begin with a number are in alphabetical order according to the first letter after the numb
